Which of the following are elements of the Radical Republican Reconstruction plan? Select all that apply. A. Departments were established to aid former slaves by assisting them in matters of housing, education, and health care. B. New state constitutions were required to meet conditions regarding secession, state debt, and slavery. C. Civil authorities were subject to supervision by the military. D. New state constitutions must include ratification of the Thirteenth and Fourteenth amendments along with black suffrage.